/*******************************************************************************
 * Copyright 2014 United States Government as represented by the
 * Administrator of the National Aeronautics and Space Administration.
 * All Rights Reserved.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/
package gov.nasa.ensemble.common.notify;

/**
 * A default implementation of ISimpleNotifier that lazily loads its listener list.
 */
public class SimpleNotifier implements ISimpleNotifier {
	
	private transient NotificationListenerList listenerList;

	@Override
	public NotificationListenerList getNotificationListenerList() {
		if (listenerList == null)
			listenerList = new NotificationListenerList(this);
		return listenerList;
	}

	public void fireNotification() {
		getNotificationListenerList().fireNotification();
	}
	
	public void fireNotification(Object parameter) {
		getNotificationListenerList().fireNotification(parameter);
	}
}
